Mobile Authenticator attached to Blizzard All-stars. That's what the stats app is for.

They don't mention that kind of apps in the trademark descriptions. This is the first time they've emphasised mobile and tablets, so it likely refers to a major feature of the game, or the entire game, being available as an app.

Since we know a MOBA wouldn't do well on small screens with poor user-input capabilities, we can draw the logical conclusion that HotS is either a new game, or Expansion 5. They do have pet battles.

They don't mention that kind of apps in the trademark descriptions. This is the first time they've emphasised mobile and tablets, so it likely refers to a major feature of the game, or the entire game, being available as an app.

Since we know a MOBA wouldn't do well on small screens with poor user-input capabilities, we can draw the logical conclusion that HotS is either a new game, or Expansion 5. They do have pet battles.